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Life Sciences
Is the product I purchased light sensitive?
The majority of the small molecules we sell are not significantly light sensitive. For those that are, the light sensitivity…
Tue, Jul 18, 2023
After I’ve made a stock solution, can that solution be thawed and refrozen for multiple uses or should it be aliquotted?
Many small molecules are not easily damaged by freeze/thaw cycles. It is therefore not typically necessary to aliquot stock solutions…
Tue, Jul 18, 2023
The datasheet that came with my product states that the product needs to be stored under inert gas. What does that mean?
Inert gases such as nitrogen or argon are used to protect compounds that are highly prone to oxidation. To store…
Tue, Jul 18, 2023
The datasheet that came with my product states that solutions need to be made fresh and should not be stored. I do not need to use the entire vial at one, but the amounts needed are to small to weigh out in solid form. How can I handle this?
In many cases such compounds can be dissolved in a volatile solvent, the solution aliquoted in amounts suitable for a…
Tue, Jul 18, 2023
Now that i’ve opened my product and used it for the first time, how should i store the leftover material?
Recommendations for storage after initial use may be provided on the product datasheet or certificate of analysis. These vary depending upon…
Tue, Jul 18, 2023
How should I store my peptide?
Please store any product as received according to storage recommendations listed on the product website, dataheet, or product label. Peptides…
Tue, Jul 18, 2023
My order arrived at room temeprature, but the label on the product states it should be stored at -20°C. Is the product still good?
Recommended storage conditions and shipping conditions may differ for certain products. The storage temperatures that we indicate on our vial…
Tue, Jul 18, 2023
How can I dissolve lipids for use in cell culture or other biological experiments?
Most lipids are strongly hydrophobic compounds, and working with them in an aqueous media such as for cell or tissue…
Tue, Jul 18, 2023
The datasheet for my compound states to add BSA or serum to the aqueoussolution before attempting to dilute my stock solution. Why is this suggested?
BSA and other serum albumins are natural carrier proteins for hydrophobic small molecules such as hormones and fatty acids. They…
Tue, Jul 18, 2023
My stock solution was initially clear, but when I removed it from the freezer to use it a second time, a precipitate formed. What should I do?
The process of a solution freezing and thawing can sometimes cause chemicals to crystallize or precipitate out of solution. This…
Tue, Jul 18, 2023